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Phase diagram is a graphical representation of the physical states of a substance under different conditions of temperature and pressure. A typical phase diagram has pressure on the y-axis and temperature on the x-axis.
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- The vapor pressure of methanol (CH₃OH) at 25°C is 127.2 torr. A 6.25-g sample of methanol is placed in a 3.00 L container at 25°C. If the container is closed and the methanol reaches equilibrium with its vapor, what mass (in grams) of liquid methanol remain?Part H Calculate the boiling point for 0.41 mol ethylene glycol and 0.18 mol KBr in 128 g H₂O. Express your answer in degrees Celsius to one decimal place. [5] ΑΣΦ bp = S ? °CAt 307 K, the vapor pressure of a liquid is 15 kPa, and at 389 K, it’s vapor pressure is 121 kPa. Use this information to estimate the enthalpy of vaporization in kJ. R= 8.314 J/(mol*K) (Please type answer)
- Please answer the question with an explanation.Four liquids are described in the table below. Use the second column of the table to explain the order of their freezing points, and the third column to explain the order of their boiling points. For example, select '1' in the second column next to the liquid with the lowest freezing point. Select '2' in the second column next to the liquid with the next higher freezing point, and so on. In the third column, select '1' next to the liquid with the lowest boiling point, '2' next to the liquid with the next higher boiling point, and so on. Note: the density of water is 1.00 g/mL. solution freezing point boiling point 9.0 g of potassium hydroxide (KOH) dissolved in 200. mL of water (choose one) e (choose one) 9.0 g of glycerin (C3H8O3) dissolved in 200. mL of water (choose one) (choose one) 9.0 g of glucose (C6H1206) dissolved in 200. mL of water (choose one) (choose one) 200. mL of pure water (choose one) (choose one)Four liquids are described in the table below. Use the second column of the table to explain the order of their freezing points, and the third column to explain the order of their boiling points. For example, select '1' in the second column next to the liquid with the lowest freezing point. Select '2' in the second column next to the liquid with the next higher freezing point, and so on. In the third column, select '1' next to the liquid with the lowest boiling point, '2' next to the liquid with the next higher boiling point, and so on. Note: the density of water is 1.00 g/mL. solution freezing point boiling point 2.7 g of potassium sulfate (K2SO4) dissolved in 100. mL of water (choose one) (choose one) 2.7 g of nitric acid (HNO3) dissolved in 100. mL of water (choose one) |(choose one) - 2.7 g of glycerin (C3H8O3) dissolved in 100. mL of water (choose one) (choose one) v 100. mL of pure water (choose one) |(choose one) v ?
- From the following phase diagram,give the nature of phases present in the numbered areas and its the degrees of freedom. mFour liquids are described in the table below. Use the second column of the table to explain the order of their freezing points, and the third column to explain the order of their boiling points. For example, select '1' in the second column next to the liquid with the lowest freezing point. Select '2' in the second column next to the liquid with the next higher freezing point, and so on. In the third column, select '1' next to the liquid with the lowest boiling point, '2' next to the liquid with the next higher boiling point, and so on. Note: the density of water is 1.00 g/mL. solution freezing point boiling point (choose one) ↑ 6.7 g of potassium iodide (KI) dissolved in 350. mL of water (choose one) O (choose one) (choose one) ↑ 6.7 g of hydroiodic acid (HI) dissolved in 350. mL of water 6.7 g of sucrose (C₁2H22011) dissolved in 350. mL of water (choose one) (choose one) î 350. mL of pure water (choose one) ✪ (choose one) × Ś ?Four liquids are described in the table below. Use the second column of the table to explain the order of their freezing points, and the third column to explain the order of their boiling points. For example, select '1' in the second column next to the liquid with the lowest freezing point. Select '2' in the second column next to the liquid with the next higher freezing point, and so on. In the third column, select '1' next to the liquid with the lowest boiling point, '2' next to the liquid with the next higher boiling point, and so on. Note: the density of water is 1.00 g/mL. solution freezing point boiling point 7.7 g of hydroiodic acid (HI) dissolved in 500. mL of water (choose one) O (choose one) 7.7 g of potassium hydroxide (KOH) dissolved in 500. mL of water (choose one) C (choose one) O 7.7 g of calcium chloride (CaCl2) dissolved in 500. mL of water (choose one) C (choose one) O 500. mL of pure water (choose one) (choose one)
- Four liquids are described in the table below. Use the second column of the table to explain the order of their freezing points, and the third column to explain the order of their boiling points. For example, select '1' in the second column next to the liquid with the lowest freezing point. Select '2' in the second column next to the liquid with the next higher freezing point, and so on. In the third column, select '1' next to the liquid with the lowest boiling point, '2' next to the liquid with the next higher boiling point, and so on. Note: the density of water is 1.00 g/mL. solution 10. g of glycerin (C3H8O3) dissolved in 100. mL of water 10. g of hydrochloric acid (HCI) dissolved in 100. mL of water 10. g of potassium hydroxide (KOH) dissolved in 100. mL of water 100. mL of pure water freezing point (choose one) (choose one) (choose one) (choose one) X boiling point (choose one) O (choose one) (choose one) 0 (choose one) O 5Four liquids are described in the table below. Use the second column of the table to explain the order of their freezing points, and the third column to explain the order of their boiling points. For example, select '1' in the second column next to the liquid with the lowest freezing point. Select '2' in the second column next to the liquid with the next higher freezing point, and so on. In the third column, select '1' next to the liquid with the lowest boiling point, '2' next to the liquid with the next higher boiling point, and so on. Note: the density of water is 1.00 g/mL. solution freezing point (choose onel Ⓒ boiling point (choose one) > 8.1 g of sodium bromide (NaBr) dissolved in 100. mL of water 8.1 g of glycerin (CyHyO₂) dissolved in 400. mL of water (choose one) (choose one) B 8.1 g of hydrolodic acid (HI) dissolved in 400. mL of water Ichoose onel (choose one) 400. mL of pure water [choose one) (choose one)Four liquids are described in the table below. Use the second column of the table to explain the order of their freezing points, and the third column to explain the order of their boiling points. For example, select '1' in the second column next to the liquid with the lowest freezing point. Select '2' in the second column next to the liquid with the next higher freezing point, and so on. In the third column, select '1' next to the liquid with the lowest boiling point, '2' next to the liquid with the next higher boiling point, and so on. Note: the density of water is 1.00 g/mL. solution freezing point boiling point 7.3 g of glycerin (C3H8O3) dissolved in 100. mL of water (choose one) (choose one) 7.3 g of glucose (C6H1206) dissolved in 100. mL of water (choose one) (choose one) 7.3 g of potassium iodide (KI) dissolved in 100. mL of water (choose one) (choose one) 100. mL of pure water (choose one) (choose one)
